[big family laser: deepening cooperation with customers of mainstream battery manufacturers 4680 related equipment has been shipped]. According to a survey conducted by a big family laser receiving organization, the company provides battery production, core making, testing and assembly equipment in the whole process of lithium battery production. The main products are rolling, die-cutting, slitting, winding / lamination, cell assembly, laser welding, baking, testing, chemical separation, blue film, module assembly and PACK assembly and other series of products, all-in-one products are die-cutting and slitting machine, die-cutting and winding machine, laser cutting and folding hot-pressing machine, laser ear forming machine and other battery manufacturing industry special equipment, cooperation with mainstream battery manufacturers continues to deepen. Among them, 4680 of the related equipment has been shipped.